Prolonged release dosage form of drug and method for producing the same
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United States of America Patent
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Jan 2, 1996
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N/A
app pub date -
Nov 2, 1994
filing date -
Oct 23, 1990
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Expired
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Abstract
A prolonged release dosage form of drug made by coating a surface of an ungranulated medicinal particle with a water-insoluble material which is physiologically acceptable and does not dissolve in water and gastric juice; and then, granulating or tableting the coated medicinal particles.
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